<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<header></header>
<footer></footer>
<section></section>
<button></button>
<nav></nav>
...


<div class='header'></div>
<div class='footer'></div>
<ul class='nav'>
	<li></li>
</ul>

</body>
</html>